Home / 28,760.55-39,681.81-16,826.82

Finding the Fourth Proportional to 28,760.55, 39,681.81 and 16,826.82

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Solution

The fourth proportional to 28,760.55, 39,681.81 and 16,826.82 is: 23,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.55 : 39,681.81 = 16,826.82 : x
  2. Step 2: Convert to fraction form
    28,760.55/39,681.81 = 16,826.82/x
  3. Step 3: Cross multiply
    28,760.55x = 39,681.81 × 16,826.82
  4. Step 4: Simplify right side
    28,760.55x = 667,718,674.14
  5. Step 5: Solve for x
    x = 667,718,674.14/28,760.55
  6. Step 6: Final answer
    x = 23,216.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.